FR1098910A - Improvements to clamshell control devices - Google Patents

Improvements to clamshell control devices

Info

Publication number
FR1098910A
FR1098910A FR1098910DA FR1098910A FR 1098910 A FR1098910 A FR 1098910A FR 1098910D A FR1098910D A FR 1098910DA FR 1098910 A FR1098910 A FR 1098910A
Authority
FR
France
Prior art keywords
clamshell
control devices
devices
control
clamshell control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Andre Durand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VENOT ET CIE SOC
Original Assignee
VENOT ET CIE SOC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VENOT ET CIE SOC filed Critical VENOT ET CIE SOC
Application granted granted Critical
Publication of FR1098910A publication Critical patent/FR1098910A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/12—Grabs actuated by two or more ropes
    • B66C3/125—Devices for control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR1098910D 1952-04-01 1952-04-01 Improvements to clamshell control devices Expired FR1098910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1098910T 1952-04-01

Publications (1)

Publication Number Publication Date
FR1098910A true FR1098910A (en) 1955-08-26

Family

ID=9619435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1098910D Expired FR1098910A (en) 1952-04-01 1952-04-01 Improvements to clamshell control devices

Country Status (1)

Country Link
FR (1) FR1098910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985481A (en) * 1957-05-29 1961-05-23 Heppenstall Co Adjustable opening tongs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985481A (en) * 1957-05-29 1961-05-23 Heppenstall Co Adjustable opening tongs

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